function modify_contact_methods($profile_fields) { // Add new fields $profile_fields['twitter'] = 'Twitter Username'; return $profile_fields; } add_filter('user_contactmethods', 'modify_contact_methods'); Warning: Cannot modify header information - headers already sent by (output started at /home3/javid118/public_html/demo1/wp-content/themes/oromnetmag/functions.php:317) in /home3/javid118/public_html/demo1/wp-includes/option.php on line 747 Warning: Cannot modify header information - headers already sent by (output started at /home3/javid118/public_html/demo1/wp-content/themes/oromnetmag/func